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Routing Table Report 04:00 +10GMT Thu 09 Feb, 2006
Analysis Summary ----------------
BGP routing table entries examined: 181553 Prefixes after maximum aggregation: 100915 Unique aggregates announced to Internet: 88092 Total ASes present in the Internet Routing Table: 21460 Origin-only ASes present in the Internet Routing Table: 18645 Origin ASes announcing only one prefix: 8857 Transit ASes present in the Internet Routing Table: 2815 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1489710496 Equivalent to 88 /8s, 203 /16s and 45 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 59.3 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 88461
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37940 Total APNIC prefixes after maximum aggregation: 16044 Prefixes being announced from the APNIC address blocks: 35700 Unique aggregates announced from the APNIC address blocks: 17479 APNIC Region origin ASes present in the Internet Routing Table: 2464 APNIC Region origin ASes announcing only one prefix: 686 APNIC Region transit ASes present in the Internet Routing Table: 381 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 212193504 Equivalent to 12 /8s, 165 /16s and 208 /24s Percentage of available APNIC address space announced: 66.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 121/8, 122/7, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 95726 Total ARIN prefixes after maximum aggregation: 56504 Prefixes being announced from the ARIN address blocks: 75112 Unique aggregates announced from the ARIN address blocks: 28367 ARIN Region origin ASes present in the Internet Routing Table: 10496 ARIN Region origin ASes announcing only one prefix: 3932 ARIN Region transit ASes present in the Internet Routing Table: 976 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 286974976 Equivalent to 17 /8s, 26 /16s and 228 /24s Percentage of available ARIN address space announced: 71.3
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 35685 Total RIPE prefixes after maximum aggregation: 24037 Prefixes being announced from the RIPE address blocks: 32713 Unique aggregates announced from the RIPE address blocks: 22050 RIPE Region origin ASes present in the Internet Routing Table: 7617 RIPE Region origin ASes announcing only one prefix: 3978 RIPE Region transit ASes present in the Internet Routing Table: 1272 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 231778688 Equivalent to 13 /8s, 208 /16s and 169 /24s Percentage of available RIPE address space announced: 69.1
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 10322 Total LACNIC prefixes after maximum aggregation: 3456 Prefixes being announced from the LACNIC address blocks: 8518 Unique aggregates announced from the LACNIC address blocks: 4961 LACNIC Region origin ASes present in the Internet Routing Table: 669 LACNIC Region origin ASes announcing only one prefix: 218 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 25218048 Equivalent to 1 /8s, 128 /16s and 204 /24s Percentage of available LACNIC address space announced: 37.6
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 1874 Total AfriNIC prefixes after maximum aggregation: 874 Prefixes being announced from the AfriNIC address blocks: 1233 Unique aggregates announced from the AfriNIC address blocks: 871 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3114496 Equivalent to 0 /8s, 47 /16s and 134 /24s Percentage of available AfriNIC address space announced: 9.3
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4134 984 6480 204 CHINANET-BACKBONE 9583 850 109 16 Sify Limited 4755 804 258 64 Videsh Sanchar Nigam Ltd. Aut 4766 709 3927 301 Korea Telecom (KIX) 1221 668 1428 475 Telstra Pty Ltd 9498 521 211 73 BHARTI BT INTERNET LTD. 7545 516 108 70 TPG Internet Pty Ltd 17676 480 6949 104 Softbank BB Corp. 17488 451 27 7 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 366 75 157 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 18101 325 68 26 Reliance Infocom Ltd Internet 17974 319 77 38 PT TELEKOMUNIKASI INDONESIA 17557 311 25 161 Pakistan Telecom 7474 297 211 228 SingTel Optus Pty Ltd 4780 282 226 16 Digital United Inc. 9837 273 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1464 6263 956 AT&T WorldNet Services 4323 1211 720 238 Time Warner Telecom 721 1021 21954 309 DLA Systems Automation Center 174 995 5788 940 Cogent Communications 19029 979 152 115 New Edge Networks 6197 978 451 507 BellSouth Network Solutions, 701 950 8064 792 UUNET Technologies, Inc. 18566 903 272 8 Covad Communications 2386 890 505 665 AT&T Data Communications Serv 1239 855 2792 615 Sprint 6198 695 455 240 BellSouth Network Solutions, 209 682 3606 537 Qwest 20115 663 565 354 Charter Communications 11492 628 81 12 Cable One 22773 622 1479 38 Cox Communications, Inc. 19262 620 1769 150 Verizon Global Networks 855 573 244 64 Canadian Research Network 852 572 1092 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 3602 521 127 106 Sprint Canada, Inc.
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 590 1955 466 UUNET - Commercial IP service 3301 305 1071 290 TeliaNet Sweden 3352 301 1484 33 Ibernet, Internet Access Netw 3320 280 3477 234 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 241 2025 238 DFN-IP service G-WiN 3246 228 487 219 Song Networks 8708 222 274 205 Romania Data Systems S.A. 6746 220 85 192 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 177 840 125 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 173 37 13 Bulgarian Telecommunication C 3215 171 1406 84 France Telecom Transpac 24863 168 38 9 LINKdotNET AS number 3300 165 171 94 AUCS Communications Services 5400 165 328 135 BT Ignite European Backbone 6830 160 669 33 UPC Distribution Services 12479 158 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 569 1048 218 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 305 110 78 Servicios Alestra S.A de C.V 16814 295 18 7 NSS, S.A. 14117 183 11 6 Telefonica del Sur S.A. 13999 169 84 10 Mega Cable S.A. de C.V. 7303 155 73 19 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 117 148 77 AVANTEL, S.A. 21826 116 15 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 25620 99 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 11311 95 8 23 Sinectis S.A. 14522 95 12 8 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 278 819 234 The Internet Solution 8452 159 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 102 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 68 71 10 Itissalat Al-MAGHRIB 20928 58 16 2 Noor Advanced Technologies AS 24835 57 50 7 RAYA Telecom - Egypt 5713 38 166 34 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 12455 28 6 5 Jambonet Autonomous system 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 21 14 18 SONATEL-AS Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1211 973 Time Warner Telecom 18566 903 895 Covad Communications 19029 979 864 New Edge Networks 9583 850 834 Sify Limited 4134 984 780 CHINANET-BACKBONE 4755 804 740 Videsh Sanchar Nigam Ltd. Aut 721 1021 712 DLA Systems Automation Center 11492 628 616 Cable One 22773 622 584 Cox Communications, Inc. 855 573 509 Canadian Research Network 19916 563 509 OLM LLC 5668 517 493 CenturyTel Internet Holdings, 6197 978 471 BellSouth Network Solutions, 19262 620 470 Verizon Global Networks 6198 695 455 BellSouth Network Solutions, 9498 521 448 BHARTI BT INTERNET LTD. 7545 516 446 TPG Internet Pty Ltd 17488 451 444 Hathway IP Over Cable Interne 7757 461 442 AT&T Broadband 3602 521 415 Sprint Canada, Inc.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 36381 UNALLOCATED 12.147.156.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.157.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.158.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.147.159.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.244.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.245.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.246.0/24 7018 AT&T WorldNet Servic 36381 UNALLOCATED 12.178.247.0/24 7018 AT&T WorldNet Servic 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65518 PRIVATE 211.144.192.0/19 24421 *
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 192.43.230.0/24 7575 Australian Academic and Rease 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:9 /10:8 /11:22 /12:87 /13:198 /14:345 /15:690 /16:8702 /17:3003 /18:5062 /19:11274 /20:12493 /21:10856 /22:13892 /23:15111 /24:98817 /25:315 /26:266 /27:204 /28:61 /29:25 /30:54 /31:3 /32:38
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 19029 901 979 New Edge Networks 18566 886 903 Covad Communications 6197 783 978 BellSouth Network Solutions, 7018 742 1464 AT&T WorldNet Services 9583 669 850 Sify Limited 2386 620 890 AT&T Data Communications Serv 11492 620 628 Cable One 4323 583 1211 Time Warner Telecom 6198 560 695 BellSouth Network Solutions, 19916 557 563 OLM LLC 4766 513 709 Korea Telecom (KIX) 855 445 573 Canadian Research Network 7757 443 461 AT&T Broadband 7011 415 483 Citizens Utilities 5668 403 517 CenturyTel Internet Holdings, 702 375 590 UUNET - Commercial IP service 1239 370 855 Sprint 15270 341 370 PaeTec.net -a division of Pae 6517 339 365 Yipes Communications, Inc. 22773 325 622 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:42 12:1640 13:1 15:12 16:3 17:3 18:4 20:44 24:859 25:1 30:2 32:66 38:195 40:53 44:3 47:3 52:4 55:1 56:3 57:33 58:117 59:165 60:179 61:795 62:768 63:1891 64:3066 65:2261 66:3073 67:575 68:671 69:1422 70:309 71:51 72:627 73:23 74:4 80:748 81:583 82:505 83:360 84:346 85:425 86:307 87:166 88:20 89:19 124:11 125:200 128:150 129:170 130:103 131:315 132:33 133:7 134:146 135:46 136:169 137:60 138:183 139:85 140:383 141:133 142:414 143:144 144:224 145:39 146:309 147:134 148:321 149:186 150:114 151:74 152:61 153:101 154:6 155:186 156:95 157:121 158:158 159:179 160:88 161:68 162:220 163:141 164:174 165:203 166:144 167:236 168:470 169:139 170:314 171:12 190:30 192:5768 193:3359 194:2498 195:1763 196:748 198:3899 199:3260 200:4221 201:598 202:6452 203:6776 204:3887 205:2091 206:2433 207:2922 208:1990 209:3840 210:1915 211:802 212:1289 213:1465 214:327 215:40 216:4081 217:1148 218:238 219:135 220:634 221:339 222:149
End of report
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